| 双掺杂LiNbO3晶体中的稳态空间电荷场 |
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| 引用本文： | 刘友文,刘立人,李建郎,周常河.双掺杂LiNbO3晶体中的稳态空间电荷场[J].光学学报,2000,20(12):629-1634. |
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| 作者姓名： | 刘友文 刘立人 李建郎 周常河 |
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| 作者单位： | 中国科学院上海光学精密机械研究所，上海 201800 |
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| 基金项目： | 国家自然科学基金，中国科学院基金，上海应用物理中心资助项目 |
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| 摘 要： | 建立了包括扩散、漂移和光伏打三种输运机制下双掺杂LiNbO3晶体在用双色光进行光存储的带输运方程，并得出了小调制度下稳态空间电荷场的分析解。对双色光的光强比、体光栅的波矢、双掺杂的浓度和晶体的 氧化还原程度对空间电荷场的影响进行了数值计算和讨论。
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| 关 键 词： | 体全息存储 稳态空间电荷场 双掺杂铌酸锂晶体 |
| 收稿时间： | 1999/6/21 |
Steady-State Space-Charge Field in Doubly Doped LiNbO3 Crystals |
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| Liu Youwen,Liu Liren,LI Jianlang,ZHOU Changhe.Steady-State Space-Charge Field in Doubly Doped LiNbO3 Crystals[J].Acta Optica Sinica,2000,20(12):629-1634. |
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| Authors: | Liu Youwen Liu Liren LI Jianlang ZHOU Changhe |
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| Abstract: | By taking into account of diffusion, drift and the photovoltaic effect, the band transport equations are set up when the volume holography is recorded in doubly doped LiNbO 3crystals by using two color lights, and obtain the analytical solution of the steady state space charge field. The effects of the ratio of intensities of two color lights, the grating wave vector, the doubly doped concentrations and the oxidation reduction state on the steady state space charge field are calculated and discussed. |
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| Keywords: | volume holographic storage doubly doped LiNbO 3 crystals steady state space charge field |
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